can i play battlefield 3 and call of duty black ops with win 8 ?

Solution
For Black Ops? You need to download a program called steam, its required to play it. Download it from here, its free - https://support.steampowered.com/


but i have problem, my pc said , "steam must be running to play this game" what is that ?
sory i'am newbie
 
For Black Ops? You need to download a program called steam, its required to play it. Download it from here, its free - https://support.steampowered.com/
 
Solution